More than any other time in history, the 1990s will be a turning point for human civilization.

Our choices at all levels-individual, community, corporate and government-affect nature. And they affect us.

The voluntary approach to corporate social responsibility has failed in many cases.

When I was a kid, being outside was the norm. Rain or shine, our parents would tell us to get out of the house.

Most North Americans know that human-caused global warming is real, even if political leaders don't always reflect or act on that knowledge.

Humans are now the most numerous mammal on the planet. There are more humans than rats or mice. Humans have a huge ecological footprint, magnified by their technology.

People.. especially people in positions of power.. have invested a tremendous amount of effort and time to get to where they are. They really don't want to hear that we're on the wrong path, that we've got to shift gears and start thinking differently.